8_Requirements engineering in automotive development experiences and challenges

8_Requirements engineering in automotive development experiences and challenges

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16 IEEE SOFTWARE Published by the IEEE Computer Society 0740-7459/03/$19.00 © 2003 IEEE what conventional text-processing systems can support in terms of management and tracing functionality. For the past few years, DaimlerChrysler has addressed these challenges by piloting re- quirements engineering processes, methods, and tools in various development projects. Our experiences have helped us identify and address various RE challenges, including those related to the software-based automo- tive systems domain, which we describe briefly below, and those related to domain-in- dependent requirements administration and management. Although the issues we discuss here are not necessarily the current focus of RE research, we think that progress on these issues is needed for a widespread adoption of tool-supported RE in the automotive domain, and many other domains as well. RE projects At DaimlerChrysler research, our RE projects cover three primary areas: n Entertainment and telematics . In-car telematics has become a major challenge for automotive development because of the technology’s rapid evolution and high visibility and its underlying sys- tem’s complexity. At Mercedes-Benz Technology Center, about 60 engineers design and specify the telematics system for a single car series. n Car interior and passenger comfort . In this area, the overall system has some 70 interconnected features, each of which has, on average, a 50-page specification. n Driver assistance and safety-critical sys- tems . In both passenger cars and com- focus Requirements Engineering in Automotive Development: Experiences and Challenges Matthias Weber and Joachim Weisbrod, DaimlerChrysler Research Complex automotive systems yield complex requirements specifications and raise many challenges along the way. Using real- world projects as a foundation, the authors describe problems and solutions for requirements engineering in the automotive domain. I n the automotive industry—especially in the high-end market—the complexity of electronic components is increasing rapidly. Currently, about a third of all development costs in high-end models go to elec- tric and electronic system development, and the cost continues to grow (see Figure 1). At the same time, many slightly different variations on com- ponents are each developed in a series of prototyping phases on different schedules. Consequently, the complexity of specification activities surpasses requirements engineering
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mercial vehicles, we are developing more and more systems that can intervene with the driver’s actions (examples include the electronic stability program, the antilock braking system, and drive-by-wire). In such systems, failure can cause severe ac- cidents. Therefore, we have a demanding development process: system specification and system development must be com- pletely comprehensible, reproducible, and continuous. Project sizes range from small efforts, with
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This note was uploaded on 11/08/2011 for the course CS 11003 taught by Professor Hongweizhao during the Winter '11 term at Tianjin University.

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8_Requirements engineering in automotive development experiences and challenges

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